TY  - BOOK
AU  - Hussen,Ahmed M.
TI  - Principles of environmental economics: economics, ecology and public policy 
SN  - 0415195713 (pbk)
PY  - 1999///
CY  - London
PB  - Routledge
KW  - Environmental economics
KW  - Ecology
KW  - Environmental policy
ER  -